package com.zzyl.framework.interceptor;

import cn.hutool.core.map.MapUtil;
import com.zzyl.common.threadLocal.UserThreadLocal;
import com.zzyl.framework.web.service.TokenService;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
@Slf4j
public class MemberInterceptor implements HandlerInterceptor {

    @Autowired
    private TokenService tokenService;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String authorization = request.getHeader("authorization");
        if (authorization==null){
            throw new RuntimeException("请登录");
        }
        // 验证token
        Claims claims = tokenService.parseToken(authorization);
        if (claims==null){
            throw new RuntimeException("请登录");
        }
        // 设置用户id
        Long userId = MapUtil.get(claims, "userId", Long.class);
        UserThreadLocal.set(userId);
        return true;
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        UserThreadLocal.remove();
    }
}
